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<li class="navelem"><a class="el" href="dir_3dc1dabd28ba78e072d14d3fcfc90454.html">SPHINXsys</a></li><li class="navelem"><a class="el" href="dir_48ea983704c43b6d88c1fa3f4d09e369.html">src</a></li><li class="navelem"><a class="el" href="dir_0a0d9ef1793521534f0094f317758287.html">shared</a></li><li class="navelem"><a class="el" href="dir_18bd2fbc0c396aa3503f5e750d6566c2.html">particles</a></li>  </ul>
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<div class="title">fluid_particles.h</div>  </div>
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<a href="fluid__particles_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -------------------------------------------------------------------------*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">*                               SPHinXsys                                   *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">* --------------------------------------------------------------------------*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">* SPHinXsys (pronunciation: s&#39;finksis) is an acronym from Smoothed Particle *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">* Hydrodynamics for industrial compleX systems. It provides C++ APIs for    *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">* physical accurate simulation and aims to model coupled industrial dynamic *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* systems including fluid, solid, multi-body dynamics and beyond with SPH   *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">* (smoothed particle hydrodynamics), a meshless computational method using  *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">* particle discretization.                                                  *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">* SPHinXsys is partially funded by German Research Foundation               *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">* (Deutsche Forschungsgemeinschaft) DFG HU1527/6-1, HU1527/10-1             *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">* and HU1527/12-1.                                                          *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">* Portions copyright (c) 2017-2020 Technical University of Munich and       *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">* the authors&#39; affiliations.                                                *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">* Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may   *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">* not use this file except in compliance with the License. You may obtain a *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">* copy of the License at http://www.apache.org/licenses/LICENSE-2.0.        *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">* --------------------------------------------------------------------------*/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="base__particles_8h.html">base_particles.h</a>&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_s_p_h.html">SPH</a> {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    <span class="keyword">class </span>Fluid;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keyword">class </span>Oldroyd_B_Fluid;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_fluid_particles.html">   41</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_fluid_particles.html">FluidParticles</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_base_particles.html">BaseParticles</a></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_fluid_particles.html">FluidParticles</a>(<a class="code" href="class_s_p_h_1_1_s_p_h_body.html">SPHBody</a> *body, <a class="code" href="class_s_p_h_1_1_fluid.html">Fluid</a> *fluid);</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_fluid_particles.html#ab04be7ab944ad5bf66387f1d5d56eda3">   45</a></span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_fluid_particles.html">FluidParticles</a>() {};</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        StdLargeVec&lt;Real&gt; <a class="code" href="class_s_p_h_1_1_fluid_particles.html#ab04be7ab944ad5bf66387f1d5d56eda3">p_</a>;       </div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_fluid_particles.html#a76466f6e0364fe14cb680aa877722b2e">   48</a></span>&#160;        StdLargeVec&lt;Real&gt; <a class="code" href="class_s_p_h_1_1_fluid_particles.html#a76466f6e0364fe14cb680aa877722b2e">drho_dt_</a>;     </div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_fluid_particles.html#a19d2f24f7fe8a78e8813967b5a3c43e1">   49</a></span>&#160;        StdLargeVec&lt;Real&gt; <a class="code" href="class_s_p_h_1_1_fluid_particles.html#a19d2f24f7fe8a78e8813967b5a3c43e1">rho_sum_</a>;     </div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_fluid_particles.html#a11b48607432aaed240fc0633607ad773">   50</a></span>&#160;        StdLargeVec&lt;int&gt; <a class="code" href="class_s_p_h_1_1_fluid_particles.html#a11b48607432aaed240fc0633607ad773">surface_indicator_</a>; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keyword">virtual</span> <a class="code" href="class_s_p_h_1_1_fluid_particles.html">FluidParticles</a>* ThisObjectPtr()<span class="keyword"> override </span>{<span class="keywordflow">return</span> <span class="keyword">this</span>;};</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    };</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">   59</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">ViscoelasticFluidParticles</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_fluid_particles.html">FluidParticles</a></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    {</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">ViscoelasticFluidParticles</a>(<a class="code" href="class_s_p_h_1_1_s_p_h_body.html">SPHBody</a> *body, <a class="code" href="class_s_p_h_1_1_oldroyd___b___fluid.html">Oldroyd_B_Fluid</a>* oldroyd_b_fluid);</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html#ae9dbb8af56463a76d883d1c8378e3412">   63</a></span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">ViscoelasticFluidParticles</a>() {};</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        StdLargeVec&lt;Matd&gt; <a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html#ae9dbb8af56463a76d883d1c8378e3412">tau_</a>; </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html#a42b841227d70f495725f52689c7098ee">   66</a></span>&#160;        StdLargeVec&lt;Matd&gt; <a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html#a42b841227d70f495725f52689c7098ee">dtau_dt_</a>; </div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keyword">virtual</span> <a class="code" href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">ViscoelasticFluidParticles</a>* ThisObjectPtr()<span class="keyword"> override </span>{<span class="keywordflow">return</span> <span class="keyword">this</span>;};</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    };</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;}</div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclass_s_p_h_1_1_oldroyd___b___fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_oldroyd___b___fluid.html">SPH::Oldroyd_B_Fluid</a></div><div class="ttdoc">linear EOS with relaxation time and polymetric viscosity.</div><div class="ttdef"><b>Definition:</b> weakly_compressible_fluid.h:126</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_fluid_particles_html_a11b48607432aaed240fc0633607ad773"><div class="ttname"><a href="class_s_p_h_1_1_fluid_particles.html#a11b48607432aaed240fc0633607ad773">SPH::FluidParticles::surface_indicator_</a></div><div class="ttdeci">StdLargeVec&lt; int &gt; surface_indicator_</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:50</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_fluid_particles_html_a19d2f24f7fe8a78e8813967b5a3c43e1"><div class="ttname"><a href="class_s_p_h_1_1_fluid_particles.html#a19d2f24f7fe8a78e8813967b5a3c43e1">SPH::FluidParticles::rho_sum_</a></div><div class="ttdeci">StdLargeVec&lt; Real &gt; rho_sum_</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:49</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_viscoelastic_fluid_particles_html_a42b841227d70f495725f52689c7098ee"><div class="ttname"><a href="class_s_p_h_1_1_viscoelastic_fluid_particles.html#a42b841227d70f495725f52689c7098ee">SPH::ViscoelasticFluidParticles::dtau_dt_</a></div><div class="ttdeci">StdLargeVec&lt; Matd &gt; dtau_dt_</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:66</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_fluid_particles_html_ab04be7ab944ad5bf66387f1d5d56eda3"><div class="ttname"><a href="class_s_p_h_1_1_fluid_particles.html#ab04be7ab944ad5bf66387f1d5d56eda3">SPH::FluidParticles::p_</a></div><div class="ttdeci">StdLargeVec&lt; Real &gt; p_</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:45</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_viscoelastic_fluid_particles_html_ae9dbb8af56463a76d883d1c8378e3412"><div class="ttname"><a href="class_s_p_h_1_1_viscoelastic_fluid_particles.html#ae9dbb8af56463a76d883d1c8378e3412">SPH::ViscoelasticFluidParticles::tau_</a></div><div class="ttdeci">StdLargeVec&lt; Matd &gt; tau_</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:63</div></div>
<div class="ttc" id="abase__particles_8h_html"><div class="ttname"><a href="base__particles_8h.html">base_particles.h</a></div><div class="ttdoc">This is the base class of SPH particles. The basic data of the particles is saved in separated large ...</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_fluid_particles_html"><div class="ttname"><a href="class_s_p_h_1_1_fluid_particles.html">SPH::FluidParticles</a></div><div class="ttdoc">newtonian fluid particles.</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:41</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_base_particles_html"><div class="ttname"><a href="class_s_p_h_1_1_base_particles.html">SPH::BaseParticles</a></div><div class="ttdoc">Particles with essential (geometric and kinematic) data. There are three types of particles， all part...</div><div class="ttdef"><b>Definition:</b> base_particles.h:65</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_fluid_particles_html_a76466f6e0364fe14cb680aa877722b2e"><div class="ttname"><a href="class_s_p_h_1_1_fluid_particles.html#a76466f6e0364fe14cb680aa877722b2e">SPH::FluidParticles::drho_dt_</a></div><div class="ttdeci">StdLargeVec&lt; Real &gt; drho_dt_</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:48</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_s_p_h_body_html"><div class="ttname"><a href="class_s_p_h_1_1_s_p_h_body.html">SPH::SPHBody</a></div><div class="ttdoc">SPHBody is a base body with basic data and functions. Its derived class can be a real fluid body,...</div><div class="ttdef"><b>Definition:</b> base_body.h:63</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_fluid.html">SPH::Fluid</a></div><div class="ttdoc">Base class of all fluids.</div><div class="ttdef"><b>Definition:</b> base_material.h:153</div></div>
<div class="ttc" id="anamespace_s_p_h_html"><div class="ttname"><a href="namespace_s_p_h.html">SPH</a></div><div class="ttdef"><b>Definition:</b> solid_body_supplementary.cpp:9</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_viscoelastic_fluid_particles_html"><div class="ttname"><a href="class_s_p_h_1_1_viscoelastic_fluid_particles.html">SPH::ViscoelasticFluidParticles</a></div><div class="ttdoc">Viscoelastic fluid particles.</div><div class="ttdef"><b>Definition:</b> fluid_particles.h:59</div></div>
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